Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soat hai cua snippets" » "soat ha cua snippets", "soat chat cua snippets", "son hai cua snippets", "soat thai cua snippets", "soat hoi cua snippets", "soat dai cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("soat hai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soat hai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soat hai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soat hai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.